Patent Attorney
Pierre C Van Rysselberghe
Reg. No. 33557
Active
Not accepting new clients
Firm
Kolisch Hartwell PC
Kolisch Hartwell PC
Location
Portland, OR 97204
Portland, OR 97204
Phone
503-224-6655
503-224-6655
Registration Type
ATTORNEY
ATTORNEY
Roster
USPTO OED FY25
USPTO OED FY25
Firm and contact info reflects the FY25 roster (last updated September 25).
Attorneys may have changed firms since then — patent filings show their current firm of record.